Cleanup: Remove "gray text" logic from Omnibox

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
index a2952039b42c22629a30f2bda87fd7fa038feef4..7ff80b10a00d55880e8f95ed861a88da79901032 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
@@ -283,21 +283,6 @@ const CGFloat kAnimationDuration = 0.2;
   [self addToolTipRect:aRect owner:tooltip userData:nil];
 }
 
-- (void)setGrayTextAutocompletion:(NSString*)suggestText
-                        textColor:(NSColor*)suggestColor {
-  [self setNeedsDisplay:YES];
-  suggestText_.reset([suggestText retain]);
-  suggestColor_.reset([suggestColor retain]);
-}
-
-- (NSString*)suggestText {
-  return suggestText_;
-}
-
-- (NSColor*)suggestColor {
-  return suggestColor_;
-}
-
 - (NSPoint)bubblePointForDecoration:(LocationBarDecoration*)decoration {
   const NSRect frame =
       [[self cell] frameForDecoration:decoration inFrame:[self bounds]];
@@ -493,16 +478,6 @@ const CGFloat kAnimationDuration = 0.2;
   return doResign;
 }
 
-- (void)drawRect:(NSRect)rect {
-  [super drawRect:rect];
-  autocomplete_text_field::DrawGrayTextAutocompletion(
-      [self attributedStringValue],
-      suggestText_,
-      suggestColor_,
-      self,
-      [[self cell] drawingRectForBounds:[self bounds]]);
-}
-
 // (URLDropTarget protocol)
 - (id<URLDropTargetController>)urlDropController {
   BrowserWindowController* windowController =
@@ -563,42 +538,3 @@ const CGFloat kAnimationDuration = 0.2;
 }
 
 @end
-
-namespace autocomplete_text_field {
-
-void DrawGrayTextAutocompletion(NSAttributedString* mainText,
-                                NSString* suggestText,
-                                NSColor* suggestColor,
-                                NSView* controlView,
-                                NSRect frame) {
-  if (![suggestText length])
-    return;
-
-  base::scoped_nsobject<NSTextFieldCell> cell(
-      [[NSTextFieldCell alloc] initTextCell:@""]);
-  [cell setBordered:NO];
-  [cell setDrawsBackground:NO];
-  [cell setEditable:NO];
-
-  base::scoped_nsobject<NSMutableAttributedString> combinedText(
-      [[NSMutableAttributedString alloc] initWithAttributedString:mainText]);
-  NSRange range = NSMakeRange([combinedText length], 0);
-  [combinedText replaceCharactersInRange:range withString:suggestText];
-  [combinedText addAttribute:NSForegroundColorAttributeName
-                       value:suggestColor
-                       range:NSMakeRange(range.location, [suggestText length])];
-  [cell setAttributedStringValue:combinedText];
-
-  CGFloat mainTextWidth = [mainText size].width;
-  CGFloat suggestWidth = NSWidth(frame) - mainTextWidth;
-  NSRect suggestRect = NSMakeRect(NSMinX(frame) + mainTextWidth,
-                                  NSMinY(frame),
-                                  suggestWidth,
-                                  NSHeight(frame));
-
-  gfx::ScopedNSGraphicsContextSaveGState saveGState;
-  NSRectClip(suggestRect);
-  [cell drawInteriorWithFrame:frame inView:controlView];
-}
-
-}  // namespace autocomplete_text_field